CN102418054A - Vacuum pressure alumetizing channel and isolation device and preparation method thereof - Google Patents
Vacuum pressure alumetizing channel and isolation device and preparation method thereof Download PDFInfo
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- CN102418054A CN102418054A CN201210009584XA CN201210009584A CN102418054A CN 102418054 A CN102418054 A CN 102418054A CN 201210009584X A CN201210009584X A CN 201210009584XA CN 201210009584 A CN201210009584 A CN 201210009584A CN 102418054 A CN102418054 A CN 102418054A
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- plate
- steel plate
- vacuum pressure
- groove
- stainless steel
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- 238000002955 isolation Methods 0.000 title abstract description 5
- 238000002360 preparation method Methods 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 25
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 9
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 24
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 206010013786 Dry skin Diseases 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 12
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 239000010439 graphite Substances 0.000 abstract description 5
- 229910002804 graphite Inorganic materials 0.000 abstract description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 2
- 229910000737 Duralumin Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000009715 pressure infiltration Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to a vacuum pressure alumetizing channel and isolation device and a processing method thereof. Ripple or grooves suitable for flow of aluminum liquid are formed on two sides of a steel plate or a stainless steel plate; the height of the ripple or the grooves is 0.5 to 2.0 mm; and one layer of sodium silicate film is uniformly covered on the two sides of the steel plate or the stainless steel plate with the ripple or the grooves. A graphite plate is replaced by a corrugated plate or a grooved plate made of steel or stainless steel, so that a channel for aluminum liquid to flow is formed; an aqueous solution of water glass is coated on two sides of the corrugated plate or the grooved plate uniformly; after being heated, the aqueous solution of water glass forms a sodium silicate film; a test proves that in the alumetizing channel and isolation device, aluminum alloy in holes of a silicon carbide skeleton is full, the gas tightness can reach (3.5-4)*10<-9> Pa.m<3>/s, and an aluminum silicon carbide composite material can be separated easily when a workpiece is disassembled. By the vacuum pressure alumetizing channel and isolation device and the processing method thereof, the process is simple, and convenient to operate; cost is low; application range is wide; and industrialized production can be realized.
Description
Technical field
The present invention relates to a kind of vacuum pressure aluminising passage hold concurrently disrupter and working method thereof.
Background technology
Adopting vacuum pressure infiltration prepared aluminum silicon carbide composite material, is preparation silicon carbide porous material skeleton earlier, then, several piece silicon carbide porous skeleton and the aluminising passage disrupter of holding concurrently is stacked, in the aluminising mould of packing into.During vacuum pressure aluminising alloy, prior art is to adopt graphite to make the double isolation of passage silicon carbide porous skeleton, but graphite is hard and crisp, is difficult to disassemble, and damages the profile of aluminum silicon carbide composite material workpiece sometimes; Also have the steel plate of employing to make the double silicon carbide porous skeleton of isolating of passage, steel plate has certain toughness, when disassembling, can split, though better slightly than the situation with graphite, still hard when still disassembling workpiece, efficient is low.
The SUS clamping plate of the two sides carbon coated of NEC chemical industry Co., Ltd. do not relate to the passage of aluminising.Known TUBE BY LIQUID EXTRUSION die forging prepares the releasing agent in the duraluminum technology, and the organism releasing agent has carbon residue in volatilization easily more than 300 ℃ under vacuum state; Another kind of water glass adds in the releasing agent of zinc oxide, and in steel plate that applies or mould, zinc oxide comes off from steel plate or mould easily, gets into liquid aluminium alloy, influences the physicals of the aluminum silicon carbide composite material of vacuum pressure infiltration easily.
Summary of the invention
The object of the present invention is to provide a kind of passage of vacuum pressure aluminising hold concurrently disrupter and working method thereof,, enhance productivity, cut down finished cost to realize being easy to disassemble workpiece.
The vacuum pressure aluminising passage of the present invention disrupter of holding concurrently; Comprise steel plate or stainless steel plate than big 0.5～2mm around the silit skeleton; It is characterized in that be provided with on steel plate or stainless steel plate two sides and be suitable for aluminium liquid mobile ripple or groove, it highly is 0.5mm～2.0 mm; Topped equably on the steel plate that has ripple or groove or stainless steel plate two sides have one deck water glass film.
The thickness of said steel plate or stainless steel plate is 0.5 mm～2.0mm.
Said ripple is that steel plate or stainless steel plate are pressed into the waved plate that the ripple height is 0.5～2.0mm.
Said groove is the groove that mills out 2～4 0.5 mm～2.0mm on steel plate or stainless steel plate two sides.
Said groove is to be welded with 2～4 Round Steel Wires or round bar on the two sides of steel plate or stainless steel plate, and forming 3～5 groove height is 0.5 mm～2.0mm groove.
A kind of vacuum pressure aluminising passage working method of disrupter of holding concurrently comprises the steps:
(1) steel plate or stainless steel plate two sides are pressed into corrugated or are suitable for aluminium liquid mobile groove through welding or milling out, control ripple or groove height are 0.5 mm～2mm;
Steel plate or the stainless steel plate that (2) will have ripple or a groove are cut into rectangular wave card or grooved drum plate than big 0.5～2mm around the silit skeleton;
(3) the use concentration expressed in percentage by weight is 10%～15% aqueous sodium carbonate cleaning waved plate or grooved drum plate;
(4) soaked waved plate or grooved drum plate 30 minutes with the inorganic acid aqueous solution of concentration expressed in percentage by volume 40%～50%, rinse well, blow off water stain, for use with high pressure gas with flowing water;
(5) in the even coat weight percentage concentration of one side of waved plate or grooved drum plate be 10～30% sodium silicate solution;
(6) putting into loft drier, is that 50～300 ℃ of dryings are after 20～40 minutes in temperature;
(7) taking-up, turn-over repeat to take out cooling after (5) step and (6) step in the above;
(8) by prior art waved plate and silit skeleton intersection are stacked the aluminising mould of packing into.
Said is to clean 10 minutes with aqueous sodium carbonate earlier with aqueous sodium carbonate cleaning waved plate or grooved drum plate, again waved plate or grooved drum plate is put into vibrating ball mill, adds aqueous sodium carbonate and appropriate amount of alumina abrading-ball, vibration 3～8 minutes.
Said mineral acid is hydrochloric acid, nitric acid or sulfuric acid.
The present invention replaces graphite cake with the waved plate or the grooved drum plate of steel or stainless steel, forms aluminium liquid mobile passage; Apply sodium silicate solution equably at waved plate or grooved drum plate two sides, heating back sodium silicate solution forms the water glass film; Through experiment showed, that duraluminum is full in the hole of its silit skeleton with this aluminising passage disrupter of holding concurrently, resistance to air loss can reach (3.5～4) * 10
-9Pa.m
3/ s when disassembling workpiece, is easy to aluminum silicon carbide composite material is broken out.Technology of the present invention is simple, easy to operate, and cost is low, and is widely applicable, can realize suitability for industrialized production.
Description of drawings
Fig. 1 is the vacuum pressure aluminising passage disrupter structural representation of holding concurrently;
Fig. 2 is the vacuum pressure aluminising passage user mode figure of disrupter that holds concurrently.
1 is steel plate or stainless steel plate among the figure; 2 is ripple or groove; 3 is the water glass film; 4 is waved plate;
5 is the silit skeleton; 6 are the aluminising mould.
Embodiment
Below in conjunction with instance the present invention is described further.
Embodiment 1
The vacuum pressure aluminising passage disrupter of holding concurrently: be to be provided with on the two sides of steel plate or stainless steel plate 1 to be suitable for aluminium liquid mobile ripple or groove 2, said peak waviness or groove height are 0.5 mm～2.0mm; Topped equably on the steel plate that has ripple or groove or stainless steel plate two sides have one deck water glass film 3.
The vacuum pressure aluminising passage preparation method of disrupter that holds concurrently:
Present embodiment silit skeleton is of a size of 130 * 140 * 5mm, and a mould is adorned 3.
(1) steel plate is pressed into ripple height (or being called peak waviness) and is the waved plate of 1.9mm;
(2) the steel waved plate is cut into the rectangular wave card than big 1.2mm around the silit skeleton 130 * 140, promptly 131.2 * 141.2;
(3) the steel waved plate after cutting out well with 10% aqueous sodium carbonate cleaning 10 minutes is with degreasing; Again the steel waved plate is put into vibrating ball mill, adds 10% aqueous sodium carbonate and appropriate amount of alumina abrading-ball, vibration 5 minutes, its effect is that degreasing is fast, steel waved plate surface by rubbing down after, help water glass film forming above that;
(4) soaked the steel waved plate 30 minutes with 45% aqueous nitric acid, rinse well with flowing water again, blow off with high pressure gas water stain, to realize that the corrosion of steel waved plate surface micro is helped water glass film forming above that;
(5) on the one side of steel waved plate equably the coat weight percentage concentration be 15% sodium silicate solution;
(6) the steel waved plate is put into loft drier, being heated to temperature is 180 ℃, is incubated 30 minutes;
(7) take out turn-over, cooling is taken out in repeating step (5) and (6);
(8) stack the aluminising mould 6 of packing into by the 4/ silit skeleton of waved plate among Fig. 2,5/ waved plate/silit skeleton/waved plate/silit skeleton/waved plate intersection; Behind vacuum pressure aluminising alloy, duraluminum is full in the hole of silit skeleton, and resistance to air loss reaches 3.5 * 10
-9Pa.m3/s when disassembling workpiece, is easy to the aluminum silicon carbide composite material workpiece is broken out.
Embodiment 2
Aluminum silicon carbide composite material silit skeleton is of a size of 190 * 140 * 5mm, and a mould is adorned 3.
(1) steel plate is pressed into waved plate, ripple height 1.0mm; Waviness width is unrestricted;
(2) square plate that the steel waved plate is cut into than big 1.8mm around silit skeleton 190 * 140mm is 191.8 * 141.8mm;
(3) the steel waved plate after cutting out well with 15% aqueous sodium carbonate cleaning is put into vibrating ball mill with the steel waved plate again, adds 15% aqueous sodium carbonate or appropriate amount of alumina abrading-ball, vibration 20 minutes;
(4) soaked the steel waved plate 60 minutes with 40% aqueous sulfuric acid, rinse well with flowing water then, blow off water stain, for use with high pressure gas;
(5) on the steel waved plate equably the coat weight percentage concentration be 20% sodium silicate solution;
(6) the steel waved plate is put into loft drier, being heated to temperature is 190 ℃, is incubated after 30 minutes;
(7) take out turn-over, cooling is taken out in repeating step (5) and (6);
(8) the steel waved plate is intersected by the mode of embodiment 1 stack the aluminising mould of packing into.
This device is through vacuum pressure aluminising alloy, and duraluminum is full in the hole of silit skeleton, and resistance to air loss reaches 4 * 10
-9Pa.m
3/ s when disassembling workpiece, is easy to aluminum silicon carbide composite material is broken out.
Claims (8)
1. vacuum pressure aluminising passage disrupter of holding concurrently; Comprise steel plate or stainless steel plate than big 0.5～2mm around the silit skeleton; It is characterized in that be provided with on steel plate or stainless steel plate two sides and be suitable for aluminium liquid mobile ripple or groove, the height of said ripple or groove is 0.5mm～2.0 mm; Topped equably on the steel plate that has ripple or groove or stainless steel plate two sides have one deck water glass film.
2. the vacuum pressure aluminising passage according to claim 1 disrupter of holding concurrently is characterized in that the thickness of said steel plate or stainless steel plate is 0.5 mm～2.0mm.
3. the vacuum pressure aluminising passage according to claim 1 disrupter of holding concurrently is characterized in that said ripple is that steel plate or stainless steel plate are pressed into the waved plate that the ripple height is 0.5～2.0mm.
4. the vacuum pressure aluminising passage according to claim 1 disrupter of holding concurrently is characterized in that, said groove is the groove that mills out 2～4 0.5 mm～2.0mm on steel plate or stainless steel plate two sides.
5. the vacuum pressure aluminising passage according to claim 1 disrupter of holding concurrently is characterized in that said groove is to be welded with 2～4 Round Steel Wires or round bar on the two sides of steel plate or stainless steel plate, and forming 3～5 groove height is 0.5 mm～2.0mm groove.
6. vacuum pressure aluminising passage working method of disrupter of holding concurrently is characterized in that, comprises the steps:
(1) steel plate or stainless steel plate two sides are pressed into corrugated or are suitable for aluminium liquid mobile groove through welding or milling out, control ripple or groove height are 0.5 mm～2mm;
Steel plate or the stainless steel plate that (2) will have ripple or a groove are cut into rectangular wave card or grooved drum plate than big 0.5～2mm around the silit skeleton;
(3) the use concentration expressed in percentage by weight is 10%～15% aqueous sodium carbonate cleaning waved plate or grooved drum plate;
(4) soaked waved plate or grooved drum plate 30 minutes with the inorganic acid aqueous solution of concentration expressed in percentage by volume 40%～50%, rinse well, blow off water stain, for use with high pressure gas with flowing water;
(5) in the even coat weight percentage concentration of one side of waved plate or grooved drum plate be 10～30% sodium silicate solution;
(6) putting into loft drier, is that 50～300 ℃ of dryings are after 20～40 minutes in temperature;
(7) taking-up, turn-over repeat to take out cooling after (5) step and (6) step in the above;
(8) by prior art waved plate and silit skeleton intersection are stacked the aluminising mould of packing into.
7. the vacuum pressure aluminising passage according to claim 6 working method of disrupter of holding concurrently; It is characterized in that; Said is to clean 10 minutes with aqueous sodium carbonate earlier with aqueous sodium carbonate cleaning waved plate or grooved drum plate; Again waved plate or grooved drum plate are put into vibrating ball mill, add aqueous sodium carbonate and appropriate amount of alumina abrading-ball, vibration 3～8 minutes.
8. the vacuum pressure aluminising passage according to claim 6 working method of disrupter of holding concurrently is characterized in that said mineral acid is hydrochloric acid, nitric acid or sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210009584 CN102418054B (en) | 2012-01-13 | 2012-01-13 | Vacuum pressure alumetizing channel and isolation device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210009584 CN102418054B (en) | 2012-01-13 | 2012-01-13 | Vacuum pressure alumetizing channel and isolation device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102418054A true CN102418054A (en) | 2012-04-18 |
| CN102418054B CN102418054B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210009584 Expired - Fee Related CN102418054B (en) | 2012-01-13 | 2012-01-13 | Vacuum pressure alumetizing channel and isolation device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418054B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433491A (en) * | 2013-09-18 | 2013-12-11 | 湖南航天工业总公司 | Silicon carbide IGBT (Insulated Gate Bipolar Transistor) substrate framework vacuum pressure aluminizing device and double-sided aluminum coating method |
| CN105140340A (en) * | 2015-08-04 | 2015-12-09 | 河南鸿昌电子有限公司 | Treatment method for refrigerating devices after welding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580112Y (en) * | 2002-10-29 | 2003-10-15 | 中国石化胜利油田有限公司规划设计研究院 | Heating type stainless steel corrugated plate |
| JP2005219349A (en) * | 2004-02-05 | 2005-08-18 | Honda Motor Co Ltd | Reinforced panel forming method, foamed core forming method, and panel structure |
| CN1936047A (en) * | 2006-08-02 | 2007-03-28 | 南昌航空工业学院 | Process for preparing particle-reinforced magnesium-base composite material by vacuum pressure impregnation |
| EP2103831A1 (en) * | 2008-03-17 | 2009-09-23 | Honeywell International Inc. | Densification of carbon fiber preforms with pitches for aircraft brakes |
| CN202411386U (en) * | 2012-01-13 | 2012-09-05 | 湖南航天诚远精密机械有限公司 | Vacuum pressure aluminizing channel doubled as isolation device |
-
2012
- 2012-01-13 CN CN 201210009584 patent/CN102418054B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580112Y (en) * | 2002-10-29 | 2003-10-15 | 中国石化胜利油田有限公司规划设计研究院 | Heating type stainless steel corrugated plate |
| JP2005219349A (en) * | 2004-02-05 | 2005-08-18 | Honda Motor Co Ltd | Reinforced panel forming method, foamed core forming method, and panel structure |
| CN1936047A (en) * | 2006-08-02 | 2007-03-28 | 南昌航空工业学院 | Process for preparing particle-reinforced magnesium-base composite material by vacuum pressure impregnation |
| EP2103831A1 (en) * | 2008-03-17 | 2009-09-23 | Honeywell International Inc. | Densification of carbon fiber preforms with pitches for aircraft brakes |
| CN202411386U (en) * | 2012-01-13 | 2012-09-05 | 湖南航天诚远精密机械有限公司 | Vacuum pressure aluminizing channel doubled as isolation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433491A (en) * | 2013-09-18 | 2013-12-11 | 湖南航天工业总公司 | Silicon carbide IGBT (Insulated Gate Bipolar Transistor) substrate framework vacuum pressure aluminizing device and double-sided aluminum coating method |
| CN105140340A (en) * | 2015-08-04 | 2015-12-09 | 河南鸿昌电子有限公司 | Treatment method for refrigerating devices after welding |
| CN105140340B (en) * | 2015-08-04 | 2017-12-26 | 河南鸿昌电子有限公司 | A kind of processing method after cooling component welding |
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| Publication number | Publication date |
|---|---|
| CN102418054B (en) | 2013-06-19 |
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